Lung Cancer in a Time of COVID-19

Lung cancer is the leading cause of cancer deaths worldwide, and metastatic non–small cell lung cancer (NSCLC) is the deadliest form, with a 5-year survival rate of just over 5%. Because lung cancer arises in the lining of the airway, close to the site where oxygen is absorbed into the bloodstream, cancer cells are easily transported to other parts of the body, aiding metastasis.